Updated from 12:31 p.m. EST

Shares of

Synaptics

(SYNA) - Get Report

were among technology's winners Friday, rising 15.8% after the maker of touchpad technology squashed market rumors by confirming that its technology is being used in new versions of

Apple Computer's

(AAPL) - Get Report

iPod.

The disclosure was made in a regulatory filing early Friday morning. "Yesterday Apple announced several new iPods, and we are confirming that our interface solutions are being used in those products," Synaptics said. During the past several weeks the company had received inquiries from investors and analysts regarding the use of its technology in the Apple iPod, it said. The company said it didn't believe that, in the absence of definitive communications from Apple, it was appropriate to comment on unconfirmed rumors and speculation. Shares traded up $3.32 to $24.33.

Blue Coat Systems

( BCSI) fell 17.2% after the company posted third-quarter earnings that were ahead of expectations but provided fourth-quarter earnings guidance that didn't impress investors. The software maker posted third-quarter pro forma earnings of $1.4 million, or 11 cents a share, on sales of $24.7 million. Analysts surveyed by Thomson First Call were expecting earnings of 9 cents a share on sales of $24.3 million. Looking ahead, Blue Coat forecast fourth-quarter earnings of $1.2 million to $1.5 million, or 9 cents to 11 cents a share, on sequential sales growth of 6% to 8%. Analysts are expecting earnings of 10 cents a share on sales of $25.2 million, or a sequential improvement of 2%. Shares traded down $3.86 to $18.56.

Shares of

Catalyst Semiconductor

(CATS) - Get Report

fell 5.2% after the maker of programmable technology products posted third-quarter earnings and sales that fell short of expectations. The company earned $107,000, or 1 cent a share, on sales of $13.7 million. Analysts were expecting earnings of 3 cents a share on sales of $15.3 million. A year ago, the company earned $2.4 million, or 12 cents a share, on sales of $16.9 million. Fourth-quarter results, the company said, were hurt by weaker demand for its memory products, which resulted in pricing pressure. As a result, gross margins fell to 38.4%, down from the gross margins it had achieved during the previous four quarters. Shares traded down 26 cents to $4.75.

Marvell Technology Group

(MRVL) - Get Report

rose 3.7% after the chipmaker posted fourth-quarter earnings that beat expectations by a penny. Excluding items, the company earned $75.2 million, or 24 cents a share, on sales of $340.3 million. Analysts were expecting earnings of 23 cents a share on sales of $337 million. A year ago, the company earned $41.3 million, or 14 cents a share, on sales of $243.3 million. Shares traded up $1.35 to $37.49.

Shares of

Niku

( NIKU) rose 7.3% after the software company posted fourth-quarter earnings and sales that beat expectations. The company posted pro forma earnings of $2.4 million, or 17 cents a share, on sales of $20 million. Analysts were expecting earnings of 15 cents a share on sales of $17.8 million. A year ago, the company earned $2 million, or 16 cents a share, on sales of $13.3 million. Looking ahead, Niku forecast first-quarter earnings of 12 cents to 14 cents a share, in line with expectations, on sales of $18.5 million to $19.5 million, ahead of the $17.3 million that analysts had been expecting. Shares traded up $1.51 to $22.10.

Other technology movers included

Sirius Satellite Radio

(SIRI) - Get Report

, down 43 cents to $5.15;

Intel

(INTC) - Get Report

, up 39 cents to $24.09;

Microsoft

(MSFT) - Get Report

, down 12 cents to $25.25;

Cisco

(CSCO) - Get Report

, up 2 cents to $17.20;

Sun Microsystems

(SUNW) - Get Report

, down 4 cents to $4.18;

Applied Materials

(AMAT) - Get Report

, up 34 cents to $17.92; and

MCI

( MCIP), down 21 cents to $22.60;

Lucent

( LU), down 5 cents to $3.14.